ControllerResolver.php

<?php
/**
 * Copyright 2018 Takashi Nojima.
 */

namespace App\Routing;

use Cake\Controller\Controller;
use Cake\Http\ControllerFactory;
use Cake\Http\Response;
use Cake\Http\ServerRequest;
use Cake\Routing\Exception\MissingControllerException;
use Cake\Routing\Router;

/**
 * URLからコントローラーの取得
 */
class ControllerResolver
{
    /**
     * @var ControllerFactory
     */
    private $factory;

    /**
     * ControllerFactory constructor.
     *
     * @param ControllerFactory|null $factory CakePHP Controller Factory
     */
    public function __construct($factory = null)
    {
        if ($factory === null) {
            $factory = new ControllerFactory();
        }

        $this->factory = $factory;
    }

    /**
     * Get Controller from url
     *
     * @param array|string $url The parse url
     * @param string $method The Request Method
     * @return Controller
     * @throws MissingControllerException
     */
    public function getFromUrl($url, $method = 'GET')
    {
        $urlString = Router::url($url);
        $request = (new ServerRequest($urlString))->withMethod(strtoupper($method));
        $params = Router::parseRequest($request);
        $controller = null;

        try {
            $controller = $this->factory->create($request->withAttribute('params', $params), new Response());
        } catch (MissingControllerException $e) {
            // nothing to do
        }

        if ($controller === null || get_class($controller) === Controller::class) {
            throw new MissingControllerException(sprintf('Can\'t resolve Controller from url. %s %s', $method, $urlString));
        }

        return $controller;
    }
}